code: def setUpClass(cls):
      cls.kwargs = {
          "connection_data": {
              "host": "localhost",
              "port": "5432",
              "user": "mindsdb",
              "password": "mindsdb",
              "database": "postgres",
          }
      }
      cls.handler = CockroachHandler(
          "test_cockroach_handler", **cls.kwargs
      )
  
file_path: mindsdb/mindsdb/integrations/handlers/cockroach_handler/tests/test_cockroachdb_handler.py
imports: import unittest
  from mindsdb.integrations.handlers.cockroach_handler.cockroach_handler import CockroachHandler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
label_desc: Use image node_id 1 for calling the CockroachHandlerTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types